<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class="">Hi Rob,</div><div class=""><br class=""></div><div class="">This was addressed just about a week ago. Refer to this thread:</div><div class=""><br class=""></div><div class=""><a href="https://lists.isc.org/pipermail/kea-users/2017-October/001345.html" class="">https://lists.isc.org/pipermail/kea-users/2017-October/001345.html</a></div><div><br class=""><blockquote type="cite" class=""><div class="">On Oct 20, 2017, at 4:09 PM, Sutherland, Rob <<a href="mailto:Robert.B.Sutherland@windstream.com" class="">Robert.B.Sutherland@windstream.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Like many others, I am evaluating Kea as a replacement for ISC DHCP. While I can get Kea to behave mostly as I like, I am seeing some odd behaviours when I use shared networks. Here’s one:<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">A single phone is assigned an IP address (via dhcrelay). I deliberately set the renew-timer to a low value (100 seconds). When the phone sends a DHCPREQUEST for the same address (after 100 seconds), the server sends a DHCPNAK. This causes the phone to reboot and restart the DHCP cycle. The second time around the phone succeeds in getting an IP address but a<span class="Apple-converted-space"> </span><u class="">different</u><span class="Apple-converted-space"> </span>one.<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I was running Kea with debugging turned on so I have attached the output (as well as the configuration file and a packet trace).<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Here’s the lease file showing the same MAC getting different IP addresses:<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-family: "Courier New";" class="">address,hwaddr,client_id,valid_lifetime,expire,subnet_id,fqdn_fwd,fqdn_rev,hostname,state<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-family: "Courier New";" class="">10.148.1.68,08:00:0f:6c:c5:a9,01:08:00:0f:6c:c5:a9,400,1508526744,2,0,0,,0<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-family: "Courier New";" class="">10.148.1.69,08:00:0f:6c:c5:a9,01:08:00:0f:6c:c5:a9,400,1508526896,2,0,0,,0<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">More on the environment:<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt 0.5in; font-size: 11pt; font-family: Calibri, sans-serif; text-indent: -0.25in;" class=""><span style="font-family: Symbol;" class=""><span class="">·<span style="font-style: normal; font-variant-caps: normal; font-weight: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: "Times New Roman";" class=""> <span class="Apple-converted-space"> </span></span></span></span>Kea 1.3.0 beta<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt 0.5in; font-size: 11pt; font-family: Calibri, sans-serif; text-indent: -0.25in;" class=""><span style="font-family: Symbol;" class=""><span class="">·<span style="font-style: normal; font-variant-caps: normal; font-weight: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: "Times New Roman";" class=""> <span class="Apple-converted-space"> </span></span></span></span>SLES12 server with more than enough CPU, RAM etc<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Any thoughts?<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Rob<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; line-height: 16.866666793823242px; background-color: white; vertical-align: baseline;" class=""><span style="font-size: 10pt; line-height: 15.333332061767578px; font-family: Arial, sans-serif; border: 1pt none windowtext; padding: 0in;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><span id="cid:0E3E351A-C9FD-455B-B679-67C2379AD3E4@beanfield.com"><memfile2.json></span><span id="cid:569D13C3-B9D4-4D20-BB35-A20CB5DE0B72@beanfield.com"><nak_output.txt></span><span id="cid:A2500EBB-F2E0-488D-AD05-78B1736B00DE@beanfield.com"><kea_sles12_nak.pcap></span><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">_______________________________________________</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">Kea-users mailing list</span><br style="font-family: Helvetica; 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